28855010

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20759}}^1$

素因数の和:20905

約数の個数: 16

約数和(自身を含む): 52315200

約数和(自身を除く): 23460190

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 20759, 41518, 103795, 207590, 2885501, 5771002, 14427505, 28855010]

約数ペア:

[(1, 28855010), (2, 14427505), (5, 5771002), (10, 2885501), (139, 207590), (278, 103795), (695, 41518), (1390, 20759)]